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JOURNALS // Matematicheskoe modelirovanie // Archive

Mat. Model., 1990 Volume 2, Number 11, Pages 10–29 (Mi mm2477)

This article is cited in 29 papers

Computer experiment in science and engineering

Calculation of dynamic deformation and distructure of elastic-plastic body by grid-characteristic methods

V. D. Ivanova, V. I. Kondaurov, I. B. Petrova, A. S. Kholodova

a Moscow Institute of Physics and Technology

Abstract: System of the dynamic elastic viscoplastic constitutive equations of medium with large deformations and temperature variations are formulated. For approximation of the system of hyperbolic equations the monotonic grid-characteristic method, gybrid grid-characteristic scheme and explicit-nonexplicit scheme are used. For calculation processes with the small characteristic time the nonexplicit schemes are suggested. Some results of dynamic deformation problems are represented.

UDC: 539.374

Received: 20.04.1990



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